Eco-Friendly - The Battery Of The Lcd Writing Pad Can Last 6 Months (Battery Included). The Battery Can Be Replaced When It Is Dead, No Need To Charge, No Need To Plug In, The Writing Pad Can Be Reused 100,000 Times, The Stylus Of The Girl’S Gift Can Be Hung On The Writing Pad Through The Lanyard, You Don’T Need To Worry About The Disappearance Of The Stylus, Reducing The Amount Of Paper Money.